2084666820 has 72 divisors (see below), whose sum is σ = 6200673024. Its totient is φ = 523206144.

The previous prime is 2084666813. The next prime is 2084666849. The reversal of 2084666820 is 286664802.

It is a super-3 number, since 3×2084666820³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42772 + ... + 77451.

Almost surely, 2^2084666820 is an apocalyptic number.

2084666820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2084666820 is an abundant number, since it is smaller than the sum of its proper divisors (4116006204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2084666820 is a wasteful number, since it uses less digits than its factorization.

2084666820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120269 (or 120250 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 2084666820 is about 45658.1517365738. The cubic root of 2084666820 is about 1277.4548261134.

The spelling of 2084666820 in words is "two billion, eighty-four million, six hundred sixty-six thousand, eight hundred twenty".